The max I d give it would be 2.3Ah for 1 hour.
But I 'd probably do it as usual... .5 to .7 Amps for 3 hours or so. There is no need to rush it. Those 2300mAh will take you through a full raceday no problem, if not a full weekend.
Kyosho Evolva M3 / Kyosho Lazer ZX-5 SP / Xray T3